FIFO_FLUSH         90 drivers/input/touchscreen/sun4i-ts.c #define FIFO_FLUSH(x)		((x) << 4)
FIFO_FLUSH        399 drivers/usb/gadget/udc/net2272.h #define 	FIFO_FLUSH				5
FIFO_FLUSH        573 include/linux/rtsx_usb.h #define FIFO_FLUSH			0x01
FIFO_FLUSH        433 include/linux/usb/net2280.h #define     FIFO_FLUSH                                          9